Home / 928,282.41-1,392,966.42-388,493.60

Finding the Fourth Proportional to 928,282.41, 1,392,966.42 and 388,493.60

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Solution

The fourth proportional to 928,282.41, 1,392,966.42 and 388,493.60 is: 582,967.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,282.41 : 1,392,966.42 = 388,493.60 : x
  2. Step 2: Convert to fraction form
    928,282.41/1,392,966.42 = 388,493.60/x
  3. Step 3: Cross multiply
    928,282.41x = 1,392,966.42 × 388,493.60
  4. Step 4: Simplify right side
    928,282.41x = 541,158,538,598.67
  5. Step 5: Solve for x
    x = 541,158,538,598.67/928,282.41
  6. Step 6: Final answer
    x = 582,967.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.